Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2001-11-20
eConf C011127 (2001) WEAP030
Physics
High Energy Physics
High Energy Physics - Experiment
Poster paper at ICALEPCS2001, San Jose, California, November 2001, (WEAP030) 3 pages, LaTeX, 3 EPS figures
Scientific paper
Modern PC workstations often provide more CPU power than required for most control applications. On the other hand, the screen space is always in short supply. One possible solution is to use more PCs, but in fact we need only more screens, not more keyboards, mice etc. PC architecture allows using more than one videocard, and X Window protocol is also aware that there can be more than one screen. But until release of XFree86 version 4 there was no freely available server capable of driving multiple ``heads''. We have been using multiheaded workstations under XFree86 in the VEPP-5 control room since early 2000 (currently 4 4-headed PCs plus several dual-headed). The ``Xinerama'' mode (one-large-screen) is better suited for accelerator control system than ``several separate screens''. When moving to this configuration we've encountered a number of, mainly human-related, problems, some of which required modifications to X server Additionaly, the ``style'' of performing control has slightly changed.
Bolkhovityanov Yu. D.
Gromov R. G.
Pivovarov I. L.
Starostenko A. A.
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